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New Controlled Study Finds Wearing NO Mask In Public Prevents COVID Infection As Often As Wearing One Does
By Kenneth Richard on 19. November 2020
The first-ever randomized controlled trial (4,862 participants) for mask-use effectiveness in the COVID-19 era reveals that people who wear face masks properly in public are infected only 0.1 of a percentage point less often (2.0% vs. 2.1%) than those who do not wear masks in public. In 2018 the United States’ Center for Disease Control […]